How many atoms are in pb (no3) 2

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8

In pea plants, tall (T) plants are dominant over short (t) plants. Suppose a pea plant with the genotype TT is crossed with a pea plant with the genotype tt. The resulting offspring should all be tall (Tt). What does this example demonstrate?

How many valence electrons does K + have

Match these items. Match the items in the left column to the items in the right column. 1. graphite 2. coke 3. diamond 4. coal 5. alkene 6. amorphous carbon 7. substitution (combustion) 8. alkyne 9.

A reaction takes place in a bomb calorimeter. if the calorimeter decreases in temperature over the course of the reaction, what are the signs of qcal and qrxn?

Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.

How to seperate sand and water

If the products of a certain reaction are favored (i. e., the ΔG value of the reaction is negative), one would expect a significant amount of product to form when the reactants are combined.

Water (H2O) is not found on the periodic table of the elements because water is

Predict the chemical formula of butyne, having one carbon-carbon triple bond.